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Select all	Attribute	Value
	Brand	SMC
	Product Type	Regulator
	Port Size	1/2 in
	Connection Thread Standard	G
	Series	AR40-D
	Maximum Flow Rate	5000L/min
	Maximum Operating Pressure	10 bar
	Minimum Operating Temperature	-5°C
	Maximum Operating Temperature	60°C
	Standards/Approvals	RoHS
	Pressure Setting Range	0.05 to 0.85 MPa

	Select all
	Brand SMC
	Product Type Regulator
	Port Size 1/2 in
	Connection Thread Standard G
	Series AR40-D
	Maximum Flow Rate 5000L/min
	Maximum Operating Pressure 10 bar
	Minimum Operating Temperature -5°C
	Maximum Operating Temperature 60°C
	Standards/Approvals RoHS
	Pressure Setting Range 0.05 to 0.85 MPa

SMC AR40-D Series Regulator, 5000 L/min Maximum Flow Rate, 10 Bar Maximum Operating Pressure - AR40-F04E-D

This regulator provides controlled Air pressure reduction for industrial pneumatic systems, intended for installation in automation and mechanical applications. It is built for left-to-right flow and relieving exhaust operation, enabling stable downstream pressure control with an embedded square-type pressure gauge option and a downward-facing adjustment knob for straightforward panel or inline mounting.

Features & Benefits

• Set pressure range 0.05 to 0.85 MPa for precise pressure control
• Maximum operating pressure 1.0 MPa for robust system compatibility
• Maximum medium temperature 60°C for high-temperature environments
• Minimum temperature −5°C for low-temperature site operation
• Port size 1/2 in with G thread for standard pipe connections
• Relieving construction prevents downstream overpressure after shutdown

Applications

• Suitable for pneumatic control in assembly-line actuators
• Ideal for pressure regulation on factory Air mains
• used with process valves in electronics manufacture
• Can be used for tooling circuits in mechanical workshops
• Suitable for instrument Air supply in automation cabinets

What pressure media can be used with this device?

It is designed for use with compressed Air and similar inert pneumatic media only.

What is the maximum proof pressure for safety margin considerations?

The unit has a proof pressure rating of 1.5 MPa to cover occasional pressure excursions.

Are there options for integrated pressure indication?

A square embedded pressure gauge with a limit indicator is available as an option to provide local Visual setpoint feedback.

How is flow direction determined during installation?

The regulator is configured for left-to-right flow and should be installed accordingly to ensure correct operation.

What are the ambient conditions for reliable operation?

It is specified to operate between −5°C and 60°C provided there is no freezing present.

SMC 1/2 in Regulator - 10 bar 5000L/min, G AR40-D

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